LTC vs LedPort
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LTC
Generate SMPTE linear time code for video and film frame labeling. The audio output is for controlling playback on other devices, not for listening. Run in the background with screen locked and output audio via headphone jack, AirPlay, or Bluetooth.
- Generate SMPTE linear time code
- Audio output for playback control
- Background operation with screen locked
- Multiple audio output options
- Selectable frame rates
- Customizable start and end times (full version)
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This app can generate SMPTE linear time code for testing. SMPTE timecode is a set of cooperating standards to label individual frames of video or film with a timecode. The audio output generated from this app is not for human listening, it is for controlling a video playback on another device. You can run the app in the background when your device's screen is locked. You can output the audio though the headphone jack, airplay or bluetooth. In the full version, you are able to: - Select different frame rate: 23.976, 24, 25, 29.97, 30 - Set the starting time. - Set the ending time to automatically stop or alternatively continue playing until you press stop. In the free version: - Select different frame rate: 23.976, 24, 25, 29.97, 30 - Timecode starts from the current device time. - Automatically stops generating and playing at midnight or press stop manually.
LedPort
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LedPort is a field tool built for technical teams installing LED screens. Enter the screen size and pixel pitch, and it returns every number the installation needs. WHAT IT CALCULATES - Resolution and total pixel count - Average and maximum power draw (kW and amps) - Total area and weight - Required panel and port count - Suggested processor model - Viewing distance and brightness range WIRING DIAGRAM Signal and power runs are generated automatically. Each port is colour coded so you can see which panels it carries, along with the number of Cat6 and C16 cables required. Not happy with the layout? Edit it by hand and assign panels to any run by tapping. PROJECT MANAGEMENT Save projects and reopen them later. Export all calculations and diagrams as a PDF. Whoever receives the PDF can open it in LedPort and restore the project. SUPPORTED CONFIGURATIONS Pixel pitch: 1.6 / 1.9 / 2.6 / 2.9 / 3.9 Panels: 50x50, 50x100 and custom sizes Indoor and outdoor Mixed panel runs Built for teams working with Novastar control systems. Turkish and English interface. No internet connection required. No data is collected; everything stays on your device.
Screenshots
Verdict
The clearest difference is in-app purchases: LedPort at none against LTC's 1. LedPort also leads on update cadence (daily vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. LTC sells 1 one-off in-app purchase. LedPort asks for nothing beyond the download.
LTC ships an update every 5 months, LedPort daily. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | LTC | LedPort |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (6 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 5 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 16 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Zhuoyao lu | ORHAN SUT |
In-app purchases
LTC
- Full version$5.99
LedPort
No in-app purchases








